<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>页面未找到 - 404错误</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.6;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            text-align: center;
            max-width: 600px;
            padding: 40px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .error-code {
            font-size: 120px;
            font-weight: 700;
            color: #e0e0e0;
            line-height: 1;
            margin-bottom: 20px;
        }
        
        h1 {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #333;
        }
        
        p {
            font-size: 18px;
            color: #666;
            margin-bottom: 30px;
        }
        
        .home-button {
            display: inline-block;
            padding: 12px 30px;
            background-color: #4a90e2;
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .home-button:hover {
            background-color: #3a7bc8;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
        }
        
        @media (max-width: 600px) {
            .error-code {
                font-size: 80px;
            }
            
            h1 {
                font-size: 24px;
            }
            
            p {
                font-size: 16px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="error-code">404</div>
        <h1>抱歉，页面未找到</h1>
        <p>您访问的页面可能已被移除、暂时不可用或地址输入有误。</p>
        <a href="/" class="home-button">返回首页</a>
    </div>
</body>
</html>